Hello,
Many dependencies are missed [1]
Suspected patch is one of the Sandro's fc24 deprecation patches most
likely https://gerrit.ovirt.org/#/c/73142

link to first failed build:
http://jenkins.ovirt.org/view/experimental%20jobs/job/test-repo_ovirt_experimental_master/5563/
Changes:
http://jenkins.ovirt.org/job/ovirt-engine_master_build-artifacts-el7-x86_64/2864/changes#detail
Log: http://jenkins.ovirt.org/view/experimental%20jobs/job/test-repo_ovirt_experimental_master/5563/artifact/exported-artifacts/upgrade-from-prevrelease-suit-master-el7/test_logs/upgrade-from-prevrelease-suite-master/post-001_upgrade_engine.py/lago_logs/lago.log

[1] [ ERROR ] Yum [u'ovirt-engine-4.2.0-0.0.master.20170227145042.giteb5e384.el7.centos.noarch requires collectd-postgresql', u'ovirt-engine-4.2.0-0.0.master.20170227145042.giteb5e384.el7.centos.noarch requires collectd-write_http', u'ovirt-engine-4.2.0-0.0.master.20170227145042.giteb5e384.el7.centos.noarch requires rubygem-fluent-plugin-secure-forward', u'ovirt-engine-4.2.0-0.0.master.20170227145042.giteb5e384.el7.centos.noarch requires collectd', u'ovirt-engine-4.2.0-0.0.master.20170227145042.giteb5e384.el7.centos.noarch requires collectd-disk', u'ovirt-engine-4.2.0-0.0.master.20170227145042.giteb5e384.el7.centos.noarch requires fluentd']

--
Pavel Zhukov
Software Engineer
RHV DevOps
IRC: landgraf